has anyone used this?

I may be wrong but Isn't it essentially the HEI build Dan posted on slantsix.org? I built one of these following his recipe... It's over here with a link to his original... Mine didn't cost that much!... I already had a non points distributor on the engine though... Maybe theirs is better (shrug)... Though mine maybe just as good if I ever get to painting over that GM logo...